66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
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* Author: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
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*/
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#include <errno.h>
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#define TST_NO_DEFAULT_MAIN
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#include "lapi/syscalls.h"
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#include "tst_test.h"
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#include "libswap.h"
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/*
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* Make a swap file
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*/
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int make_swapfile(const char *swapfile, int safe)
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{
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if (!tst_fs_has_free(".", sysconf(_SC_PAGESIZE) * 10, TST_BYTES))
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tst_brk(TBROK, "Insufficient disk space to create swap file");
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/* create file */
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if (tst_fill_file(swapfile, 0, sysconf(_SC_PAGESIZE), 10) != 0)
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tst_brk(TBROK, "Failed to create swapfile");
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/* make the file swapfile */
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const char *argv[2 + 1];
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argv[0] = "mkswap";
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argv[1] = swapfile;
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argv[2] = NULL;
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return tst_cmd(argv, "/dev/null", "/dev/null", safe);
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}
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/*
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* Check swapon/swapoff support status of filesystems or files
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* we are testing on.
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*/
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void is_swap_supported(const char *filename)
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{
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int fibmap = tst_fibmap(filename);
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long fs_type = tst_fs_type(filename);
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const char *fstype = tst_fs_type_name(fs_type);
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int ret = make_swapfile(filename, 1);
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if (ret != 0) {
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if (fibmap == 1)
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tst_brk(TCONF, "mkswap on %s not supported", fstype);
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else
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tst_brk(TFAIL, "mkswap on %s failed", fstype);
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}
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TEST(tst_syscall(__NR_swapon, filename, 0));
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if (TST_RET == -1) {
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if (fibmap == 1 && errno == EINVAL)
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tst_brk(TCONF, "Swapfile on %s not implemented", fstype);
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else
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tst_brk(TFAIL | TTERRNO, "swapon on %s failed", fstype);
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}
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TEST(tst_syscall(__NR_swapoff, filename, 0));
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if (TST_RET == -1)
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tst_brk(TFAIL | TTERRNO, "swapoff on %s failed", fstype);
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}
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